In many languages other than English there is a word for "mother's brother" which is different from the word for "fat...

Matt12 October 14, 2022

How do we know that Russians are able to distinguish between more than two shades of blue?

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Emil-Kunkin October 16, 2022

Hi, this is not a must be true. Note that in the question, we are asked which of the following, IF TRUE, would weaken.